:root { --bg: #f4ead8; --ink: #4a2a14; --sub: #8a6a4a; --line: #d8c09a; --red: #c0392b; --btn: #b5572a; --btn-ink: #fff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 "Microsoft YaHei", "PingFang SC", sans-serif; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 24px; background: #5a2e14; color: #fbe9c8; flex-wrap: wrap; }
.brand { font-size: 22px; letter-spacing: 2px; }
.top nav { display: flex; gap: 6px; flex-wrap: wrap; }
.top nav a { color: #fbe9c8; text-decoration: none; padding: 6px 14px; border-radius: 4px; }
.top nav a.cur, .top nav a:hover { background: rgba(255,255,255,.15); }
main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 40px; }
.cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.cats button, .pager button { border: 1px solid var(--line); background: #fffaf0; color: var(--ink); padding: 6px 16px; border-radius: 4px; cursor: pointer; font: inherit; }
.cats button.cur { background: var(--btn); border-color: var(--btn); color: var(--btn-ink); }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 12px; }
.pager button:disabled { opacity: .45; cursor: default; }
.panel-wrap { width: 100%; overflow: hidden; position: relative; }
.empty { padding: 60px 0; text-align: center; color: var(--sub); }
.card { max-width: 420px; margin: 20px auto; background: #fffaf0; border: 1px solid var(--line); border-radius: 8px; padding: 20px 24px; display: flex; flex-direction: column; gap: 12px; }
.card h2 { margin: 0; font-size: 20px; font-weight: normal; }
.card .tip { margin: 0; color: var(--sub); font-size: 13px; }
.card label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.card input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 4px; background: #fff; width: 100%; }
.card .code { display: flex; gap: 8px; }
.card .code button { white-space: nowrap; border: 1px solid var(--btn); color: var(--btn); background: #fff; border-radius: 4px; padding: 0 12px; cursor: pointer; font: inherit; }
.card .code button:disabled { opacity: .5; cursor: default; }
.card .primary { background: var(--btn); color: var(--btn-ink); border: 0; border-radius: 4px; padding: 10px; font: inherit; cursor: pointer; }
.card .primary:disabled { opacity: .6; }
.err { color: var(--red); min-height: 1.2em; font-size: 13px; }
.ok { color: #2e7d32; }

/* 滑块验证浮层 */
.slider-mask { position: fixed; inset: 0; background: rgba(40, 20, 8, .55); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 16px; }
.slider-mask.show { display: flex; }
.slider-panel { width: 100%; max-width: 332px; background: #fffaf0; border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px 14px; box-shadow: 0 6px 24px rgba(0, 0, 0, .25); }
.slider-head { display: flex; justify-content: space-between; align-items: center; color: var(--ink); margin-bottom: 8px; }
.slider-head button { border: 0; background: none; font-size: 22px; line-height: 1; color: var(--sub); cursor: pointer; }
.slider-stage { position: relative; width: 100%; aspect-ratio: 2 / 1; border-radius: 4px; overflow: hidden; background: #f4efe4; user-select: none; }
.slider-stage img { position: absolute; left: 0; top: 0; display: block; pointer-events: none; -webkit-user-drag: none; }
.slider-stage [data-bg] { width: 100%; height: 100%; }
.slider-stage [data-piece] { filter: drop-shadow(0 0 3px rgba(0, 0, 0, .6)); }
.slider-load { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--sub); background: #f4efe4; }
.slider-bar { position: relative; height: 40px; margin-top: 10px; border: 1px solid var(--line); border-radius: 4px; background: #fff; overflow: hidden; touch-action: none; user-select: none; }
.slider-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: #f0dcc0; }
.slider-hint { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--sub); font-size: 13px; pointer-events: none; }
.slider-handle { position: absolute; left: 0; top: 0; width: 44px; height: 38px; background: var(--btn); color: var(--btn-ink); display: flex; align-items: center; justify-content: center; cursor: grab; z-index: 1; touch-action: none; border-radius: 3px; }
.slider-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 13px; }
.slider-msg { color: var(--red); min-height: 1.2em; }
.slider-msg.ok { color: #2e7d32; }
.slider-foot button { border: 1px solid var(--btn); color: var(--btn); background: #fff; border-radius: 4px; padding: 2px 10px; cursor: pointer; font: inherit; }